This implementaion of file system is developed by ELM Chan http://elm-chan.org/fsw/ff/00index_e.html. This is based on FAT file system specification. It provides an interface to physical storage management through its disk io API in diskio.c. The disk io interfaces are updated to interface with Zephyr flash memory management. Current revision in the tree is 0.14b The file system provides options to configure the source. The configurations are stored in include/ffconf.h. Following configurations are updated. FF_CODE_PAGE 437 FF_FS_TINY 1 FF_FS_NORTC 1 FF_STR_VOLUME_ID 1 The following configurations are exposed as kconfig options. FF_USE_LFN as CONFIG_FS_FATFS_LFN FF_MAX_LFN as CONFIG_FS_FATFS_MAX_LFN FF_CODE_PAGE as CONFIG_FS_FATFS_CODEPAGE FF_FS_READONLY as CONFIG_FS_FATFS_READ_ONLY FF_USE_MKFS as CONFIG_FS_FATFS_MKFS FF_VOLUMES as CONFIG_FS_FATFS_VOLUMES FF_MAX_SS as CONFIG_FS_FATFS_MAX_SS